EP3711466B1 - Véhicule à essieu simple - Google Patents

Véhicule à essieu simple Download PDF

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Publication number
EP3711466B1
EP3711466B1 EP20161970.7A EP20161970A EP3711466B1 EP 3711466 B1 EP3711466 B1 EP 3711466B1 EP 20161970 A EP20161970 A EP 20161970A EP 3711466 B1 EP3711466 B1 EP 3711466B1
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EP
European Patent Office
Prior art keywords
hydraulic
spiked
roller
hydraulic reservoir
spiked roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20161970.7A
Other languages
German (de)
English (en)
Other versions
EP3711466A2 (fr
EP3711466C0 (fr
EP3711466A3 (fr
Inventor
Martin Brielmaier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rapid Technic GmbH
Original Assignee
Brielmaier Motormaeher GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Brielmaier Motormaeher GmbH filed Critical Brielmaier Motormaeher GmbH
Priority to EP23168540.5A priority Critical patent/EP4234379A3/fr
Publication of EP3711466A2 publication Critical patent/EP3711466A2/fr
Publication of EP3711466A3 publication Critical patent/EP3711466A3/fr
Application granted granted Critical
Publication of EP3711466B1 publication Critical patent/EP3711466B1/fr
Publication of EP3711466C0 publication Critical patent/EP3711466C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B45/00—Machines for treating meadows or lawns, e.g. for sports grounds
    • A01B45/02—Machines for treating meadows or lawns, e.g. for sports grounds for aerating
    • A01B45/023—Perforators comprising spiking tools actively driven in a reciprocating movement through a crankshaft or eccentric mechanism
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs

Definitions

  • the invention relates to a single-axle vehicle according to the preamble of claim 1.
  • Such single-axle vehicles are already known and in use in a variety of shapes and designs.
  • the drive for at least one spiked roller is arranged in the spiked roller itself.
  • the AT 513 191 A1 refer, which, among other things, shows a control handle for a single-axle tractor according to the preamble of claim 1.
  • the JP 2009 184411 A A wheel for an agricultural machine is disclosed, which shows circular openings in the rim area.
  • the DE 10 2005 026 761 A1 pointed out, which has a vehicle with at least one spiked roller with a roller shell, on the surface of which there are projections with a tip, the projections being pyramid-shaped or cone-shaped as spikes.
  • the object of the present invention is to provide a single-axle vehicle which, compared to the prior art, should have a significantly lower center of gravity, so that the functionality of the overall construction of the single-axle vehicle is improved, particularly on steep slopes.
  • a generic single-axle vehicle has a drive, a cooler, a hydraulic system with connections for attachments, for example standardized hydraulic clutch connections, a tool holder, a first spiked roller and a second spiked roller.
  • the drive is an internal combustion engine.
  • Other forms of drive are also conceivable.
  • a cross member is arranged between the first spiked roller and the second spiked roller, the drive and the cooler being located on the cross member, the drive being connected to the two spiked rollers in a force-transmitting manner.
  • Power transmission means passing on the energy from the drive to the two spiked rollers for example via a corresponding gearbox, translations and a shaft.
  • the spiked rollers each have a roller shell, the surface of which has projections with a tip, the projections being pyramid-shaped or cone-shaped as spikes.
  • the tip is placed on a base of the projection and is releasably connected to the base, the projections being at least partially integral and pulled out of the roll shell.
  • An outer jacket or side surfaces of the projection run concavely curved inwards from the tip to a base area.
  • the tip has a threaded hole for receiving a screw bolt.
  • the screw bolt is interspersed with a washer or the like, which in turn is inserted into the base.
  • the disk has a larger diameter than an upper opening in the base, which is covered by the tip. Furthermore, the tip is inserted into the opening of the base with a supported ring collar.
  • the tip in turn consists of a relatively wear-resistant plastic.
  • the first spiked roller and/or second spiked roller is/are designed to be permeable to air.
  • the spiked rollers have a large number of replaceable spikes on the outside.
  • the outside means the rolling surface of the respective spiked roller.
  • the interchangeable spines can also be used be a metal material or also made of a plastic. The selection of the material of the spines is subject to the wishes and requirements of the respective user.
  • the cooler can be arranged in the first spiked roller and/or in the second spiked roller, wherein the first spiked roller and/or second spiked roller is/are designed to be permeable to air.
  • the cooling circuit or the cooling medium would then have to be brought out of the respective spiked roller to the drive.
  • the air on the outside of the spiked roller reaches the interior of the spiked roller, it is cooled down in the interior of the spiked roller as it passes through the spiked roller, so that the performance of the cooler is further increased.
  • This cooling down also occurs because the spiked roller, which largely consists of a metal material, releases heat to the surface on which the spiked roller rolls and thereby in turn cools the air passing through.
  • An inner shell and an outer shell are also present in the respective first spiked roller and/or second spiked roller.
  • hemispherical or funnel-shaped structures come into consideration as the inner shell or outer shell in the context of the invention, whereby the hemisphere can have a shapeless, inharmonious surface extension.
  • the respective inner shell is arranged towards the cross member and the respective outer shell is arranged away from the cross member.
  • the inner shell forms a second base and the outer shell forms a first base, the two bases being arranged adjacent to one another.
  • the respective floor can be a partially flat area of the hemispherical or funnel-shaped structure.
  • the spiked roller becomes special stabilized in a way.
  • the inner shell creates additional storage space in the spiked roller, which can be used to hold suitable parts. This can relieve the load on the cross member.
  • Parts can be moved from the cross member in the middle to the spiked rollers on the outside. This in turn leads to a shift in the center of gravity towards the outside of the cross member. Above all, the parts can also be arranged below the cross member in the spiked roller.
  • the parts are arranged below the part of the cross member that runs into the spiked roller, for example below the hub drive.
  • the hub drive is referred to as power transmission. This in turn has the advantage that the center of gravity comes closer to the ground, thereby achieving a better working position, for example in steep terrain.
  • the power transmission takes place in the interior of the spiked rollers.
  • This is a functional unit that transfers the driving force of the drive to the respective spiked roller in a rotating manner.
  • the spiked rollers have a large number of replaceable spikes on the outside.
  • the outside means the rolling surface of the respective spiked rollers.
  • the replaceable spikes can also be made of a metal material or made of plastic. The selection of the material of the spines is subject to the wishes and requirements of the respective user.
  • the first spiked roller and/or the second spiked roller each consist of a roller tube.
  • This is a cylinder construction that is open at two ends. The outside represents the outer circumference of the cylinder construction, which also has a larger circumference than the interior of the roller tube. It can also be considered here that the lateral surface of the spiked roller or the roller tube can have ventilation openings. This can be done in addition to other such openings or can also be used alone.
  • the outer shell and the inner shell are arranged in the interior of the roller tube, the outer shell and the inner shell having a funnel shape, the first funnel shape of the outer shell forming a first base and the second funnel shape forming a second base.
  • the funnel shapes each have a bottom that is essentially flat.
  • the funnel walls expand from these floors, i.e. increasing their circumference and spreading out.
  • the outer shell has a suction opening.
  • this suction opening is circular and/or oval.
  • a plurality of suction openings are preferably arranged in the outer shell. They are embedded in the respective funnel wall and serve to admit fresh air into the roller tube, with the fresh air flowing into the roller tube from the side facing away from the drive or cooler.
  • the suction openings near an outer flange of the suction opening have a larger circumference than the suction openings which are formed near the first base. This achieves particularly advantageous flow behavior.
  • the inner shell also has a passage opening. Rather, it is a large number of passage openings.
  • the inner shell includes an inner flange.
  • this passage opening is circular and/or oval. It is embedded in the respective funnel wall and is used to let out Fresh air from the roller tube, with the fresh air flowing out of the roller tube on the side facing the drive or the cooler.
  • the passage openings near the inner flange have a larger circumference than the passage openings which are formed near the second base. This achieves particularly advantageous flow behavior.
  • the first floor and the second floor form a common opening when installed, with the common opening accommodating a roller connection when installed.
  • Installation status means that the spiked roller has been completely assembled for use and could be used in a single-axle vehicle.
  • the common opening is formed in that the first floor has an opening and the second floor has a further opening. When installed, the two openings are essentially congruent.
  • a drive shaft of the roller connection protrudes through the opening, with the drive shaft being mutually secured by a dust construction in such a way that, on the one hand, it connects the drive shaft with the inner shell and the outer shell and all components are force-transmitting and fixed.
  • the respective roller connection is effectively connected to the power transmission. This in turn means that when the drive shaft rotates, the spiked roller rotates in the same way.
  • the outer shell includes the outer flange. This involves turning the end area of the outer shell inside out. This is the end region, which is located away from the cooler or the drive when installed.
  • the inner shell also has a largest circumference in the area of the external display, which can be at least partially embedded in the roller tube. At least one part of the inner shell that protrudes into the roller tube has corresponding holes so that roller tube holes can be drilled using screws or The outer shell can be connected to the roller tube using other fasteners.
  • the inner shell has a cover plate.
  • the cover plate is accommodated in the inner shell in such a way that it essentially leaves a through-slit between the funnel wall of the inner shell and itself, so that the air located in the interior of the roller tube should escape via this through-slit. In this way, a more targeted, compressed draft can be created.
  • the cover plate also serves, among other things, to protect the power transmission.
  • the hydraulic system which is provided for the operation of the different attachments, has several interconnected hydraulic reservoirs which are arranged at different positions on the single-axle vehicle.
  • a first and a second hydraulic reservoir is arranged, with a first hydraulic reservoir being arranged within the first spiked roller and a second hydraulic reservoir being arranged within the second spiked roller.
  • the underside of the power transmission is meant the side that faces the ground or the area to be driven on when the single-axle vehicle is used properly.
  • the interior area of the spiked rollers refers in particular to the interior area of the respective inner shell.
  • a third hydraulic reservoir is arranged in the area of the cross member, in particular in the area of the drive and/or the cooler. Because several hydraulic reservoirs are included, the third hydraulic reservoir can be designed to be particularly space-saving and comparatively small. This allows, for example, an integration of the third hydraulic reservoir into the cooler, or a direct connection positioning to the cooler. Included It can be provided that hydraulic coupling connections are arranged on the third hydraulic reservoir. Of course, it is also possible to arrange the hydraulic coupling connections in a different position. This position is based in particular on the most advantageous position with regard to the attachment to be connected and operated, such as a mower.
  • the first hydraulic reservoir and the second hydraulic reservoir are shaped in such a way that they occupies or fills the space or volume of the inner shell below the power transmission in a maximum manner. Due to this arrangement, the hydraulic reservoir within the spiked rollers is lower to a floor or a passable surface than the cross member.
  • the hydraulic system is in active connection with the cooler. It can be provided that the third hydraulic reservoir in particular is in direct connection with the cooler. Active connection here means that the cooler cools a hydraulic fluid in the hydraulic system.
  • a third hydraulic reservoir is arranged on the cooler in the area of the drive.
  • this third hydraulic reservoir is significantly smaller and therefore lighter than conventional hydraulic reservoirs.
  • All three hydraulic reservoirs are connected to each other via appropriate lines.
  • the heat generated in the hydraulic system is dissipated via the cooler, which takes care of cooling both the drive and the hydraulic system.
  • the third hydraulic reservoir also has corresponding coupling connections for connecting attachments, such as a mower.
  • the third hydraulic reservoir is eliminated and only the corresponding coupling connections for connecting attachments, such as a mower, are arranged in the area of the drive or cooler.
  • first hydraulic reservoir and/or the second hydraulic reservoir each have a separate heat exchange device.
  • This heat exchange device can be arranged in the form of a separately included device on the first hydraulic reservoir and/or the second hydraulic reservoir.
  • the cooling of the two hydraulic reservoirs can of course also be carried out by the cooler.
  • first hydraulic reservoir and the second hydraulic reservoir inside the inner shell of the first and second spiked roller, respectively, brings with it another significant advantage in addition to the shift in the center of gravity towards the ground. Since the first spiked roller and the second spiked roller are designed to be air-permeable and have suction openings, passage openings and through slots, there is a constant air flow inside the spiked rollers which, in conjunction with the heat released to the floor via the roller tube, provides passive cooling for the first and/or or second hydraulic reservoir. This has a particular effect on the cooler, which is placed under less strain by the hydraulic system and thus retains more capacity for cooling the drive.
  • first and/or second hydraulic reservoir and/or a further hydraulic reservoir are/is arranged at another advantageous position within the spiked rollers, for example in the outer shell or in a space between the roller tube and the inside - and outer shell.
  • a single-axle vehicle E is shown. It consists primarily of a drive 1, which is arranged relatively centrally between a first spiked roller 3 and a second spiked roller 4.
  • a cross member 6 is also shown, which runs from the first spiked roller 3 to the second spiked roller 4 and on which the drive 1 sits.
  • the drive 1 is arranged closer to the second spiked roller 4 and a cooler 2 closer to the first spiked roller 3. In the area of the cooler 2, part of a hydraulic system 26 can also be seen.
  • This tool holder 5 is arranged diagonally in front of the drive 1 on the front. This tool holder 5 is used later Attachment of a working device, such as a mower or other agricultural device.
  • the cooler is not arranged parallel behind the tool holder 5, but rotated away from the drive 1 in the direction of the first spiked roller 3. This means that the cooler 2 is arranged to absorb air towards the first spiked roller 3, the first Spiked roller 3 is designed to be air-permeable.
  • a suction opening 7.1 is shown on an end face of the second spiked roller 4.
  • This suction opening 7.1 serves to admit fresh air into the second spiked roller 4.
  • the two spiked rollers 3, 4 have a plurality of spikes 16 on their outer surface or outer running surface.
  • FIG 2 is a frontal view of the Figure 1 shown. There it is shown how the cooler 2 is slightly inclined towards the drive 1, i.e. arranged at an angle, with an air intake side of the cooler 2 being clearly arranged towards the first spiked roller 3.
  • a third hydraulic reservoir 29 can be seen particularly well from this view, which is arranged laterally on the cooler 2 in the direction of travel.
  • the third hydraulic reservoir 29 also has corresponding hydraulic coupling connections 30 for the attachments.
  • this variant represents only an exemplary embodiment, in which the positioning or the presence of the third hydraulic reservoir 29 in particular can be carried out flexibly in the design.
  • FIG. 4 a sectioned side view of the first spiked roller 3 is shown.
  • a roller tube 8 is shown there, on the outer surface of which the spikes 16 are arranged.
  • An outer shell 9 and an inner shell 10 can also be seen, which are arranged inside the roller tube 8.
  • the outer shell 9 has a first funnel shape 20.
  • the first funnel shape 20 in turn forms a first base 21.
  • the first floor 21 is flat.
  • the first funnel shape 20 forms the suction opening 7.
  • the first base 21 has one end of the first funnel shape 20.
  • the other end of the first funnel shape 20 forms an outer flange 14.
  • the inner shell 10 is arranged towards the drive 1 or the cooler 2.
  • the outer shell 9 is arranged away from the drive 1 or the cooler 2.
  • the inner shell 10 forms a second funnel shape 22, with a passage opening 12 being embedded in the second funnel shape 22.
  • the second funnel shape 22 forms a second bottom 23 at one end and an inner flange 15 at the other end.
  • the first floor 21 and the second floor 23 lie against each other approximately in the middle of the first spiked roller 3.
  • the two floors 21, 23 form a common opening 24.
  • a roller connection 13 is shown in the opening 24, the roller connection 13 in turn being connected to a power transmission 17.
  • a first connecting element 18 is shown, which connects the inner shell 10 to the roller tube 8. Furthermore, its cover plate 11 is shown, which is connected to the power transmission 17 and thereby forms a through slot 25 between the inner shell 10 and the cover plate 11.
  • a first hydraulic reservoir 27 is arranged on the underside of the power transmission 17 and within the inner shell 10, with the underside meaning the side that faces a floor or a drivable surface when the single-axle vehicle is used properly.
  • the first hydraulic reservoir 27 is comparatively small and does not occupy the maximum volume below the force transmission 17 within the inner shell 10. Regardless of the exemplary embodiment shown in the figure in Figure 4 is shown, the first hydraulic reservoir 27 can take up significantly more volume in this area, so that the maximum volume in this area below the power transmission 17 is utilized.
  • the shape of the hydraulic reservoir 27 can also depend on the shape of the hydraulic reservoir 27 Figure 4 differentiate. Here, with regard to the filling of the existing free space, a shape adapted to the inner shell 10 and the force transmission is conceivable, which utilizes the maximum volume. Maximum means here that the hydraulic reservoir 27 is below the power transmission 17 is arranged in the inner shell 10 to fill the volume and thereby reaches up to the second funnel shape 22. The ability of the first spiked roller 3 to rotate should not be impaired.
  • the description for the first spiked roller 3 also applies to the second spiked roller 4.
  • the second spiked roller 4 also has a further inner shell, a further outer shell, a further power transmission and a second hydraulic reservoir.
  • the two spiked rollers 3, 4 are identical in the exemplary embodiment shown.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • General Details Of Gearings (AREA)

Claims (8)

  1. Véhicule à essieu unique (E) comportant un entraînement (1), un refroidisseur (2), un premier rouleau à pointes (3), un second rouleau à pointes (4) et un système hydraulique (26), une traverse (6) étant disposée entre le premier rouleau à pointes (3) et le second rouleau à pointes (4), l'entraînement (1) et le refroidisseur (2) étant disposés sur la traverse (6), l'entraînement (1) étant relié aux deux rouleaux à pointes (3, 4) respectivement à travers une transmission de force (17.1, 17.2) de manière à transmettre des forces, le système hydraulique (26) étant en liaison active avec le refroidisseur (2),
    caractérisé en ce que
    le système hydraulique (26) dispose de plusieurs réservoirs hydrauliques en liaison les uns avec les autres, un premier réservoir hydraulique (27) étant disposé à l'intérieur du premier rouleau à pointes (3), un deuxième réservoir hydraulique étant disposé à l'intérieur du second rouleau à pointes (4) et un troisième réservoir hydraulique (29) étant disposé dans la zone de la traverse (6) et de l'entraînement (2).
  2. Véhicule à essieu unique (E) selon la revendication 1,
    caractérisé en ce que le premier réservoir hydraulique (27) est disposé à l'intérieur d'une première coque intérieure (10.1) du premier rouleau à pointes (3) en dessous de la première transmission de force (17.1).
  3. Véhicule à essieu unique (E) selon la revendication 1,
    caractérisé en ce que le deuxième réservoir hydraulique est disposé à l'intérieur d'une seconde coque intérieure (10.2) du second rouleau à pointes (4) en dessous de la seconde transmission de force (17.2).
  4. Véhicule à essieu unique (E) selon l'une des revendications 1 à 3, caractérisé en ce que le premier réservoir hydraulique (27) et le deuxième réservoir hydraulique remplissent un volume maximal dans la zone en dessous de la transmission de force (17.1, 17.2) à l'intérieur de la coque intérieure (10) jusqu'à une paroi intérieure de la coque intérieure (10.1, 10.2), le premier réservoir hydraulique (27) étant disposé à l'une extrémité de la traverse (6) en dessous de la première transmission de force (17.1) et le deuxième réservoir hydraulique étant disposé à la seconde extrémité de la traverse (6) en dessous de la seconde transmission de force (17.2).
  5. Véhicule à essieu unique (E) selon l'une des revendications précédentes, caractérisé en ce que le système hydraulique (26) est en liaison active avec le refroidisseur (2).
  6. Véhicule à essieu unique (E) selon l'une des revendications précédentes, caractérisé en ce que le système hydraulique (26) dispose de raccords d'accouplement hydrauliques (30) pour des accessoires.
  7. Véhicule à essieu unique (E) selon la revendication 6,
    caractérisé en ce que les raccords d'accouplement hydrauliques (30) sont disposés sur le troisième réservoir hydraulique (29).
  8. Véhicule à essieu unique (E) selon l'une des revendications précédentes, caractérisé en ce que le premier réservoir hydraulique (27) et/ou le deuxième réservoir hydraulique disposent respectivement d'un dispositif d'échange thermique séparé.
EP20161970.7A 2019-03-18 2020-03-10 Véhicule à essieu simple Active EP3711466B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23168540.5A EP4234379A3 (fr) 2019-03-18 2020-03-10 Véhicule à essieu simple

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019106784.7A DE102019106784A1 (de) 2019-03-18 2019-03-18 Einachsfahrzeug

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP23168540.5A Division-Into EP4234379A3 (fr) 2019-03-18 2020-03-10 Véhicule à essieu simple
EP23168540.5A Division EP4234379A3 (fr) 2019-03-18 2020-03-10 Véhicule à essieu simple

Publications (4)

Publication Number Publication Date
EP3711466A2 EP3711466A2 (fr) 2020-09-23
EP3711466A3 EP3711466A3 (fr) 2021-01-20
EP3711466B1 true EP3711466B1 (fr) 2024-02-28
EP3711466C0 EP3711466C0 (fr) 2024-02-28

Family

ID=69784259

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20161970.7A Active EP3711466B1 (fr) 2019-03-18 2020-03-10 Véhicule à essieu simple
EP23168540.5A Pending EP4234379A3 (fr) 2019-03-18 2020-03-10 Véhicule à essieu simple

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP23168540.5A Pending EP4234379A3 (fr) 2019-03-18 2020-03-10 Véhicule à essieu simple

Country Status (2)

Country Link
EP (2) EP3711466B1 (fr)
DE (1) DE102019106784A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005026754A1 (de) * 2005-06-09 2006-12-21 Martin Brielmaier Fahrzeug
DE102005026761A1 (de) * 2005-06-09 2006-12-21 Martin Brielmaier Fahrzeug
JP5342789B2 (ja) * 2008-02-04 2013-11-13 株式会社やまびこ 歩行型農作業機用駆動前輪
DE102009048099B4 (de) * 2009-10-02 2013-09-26 Sauer-Danfoss Gmbh & Co. Ohg Hydraulisches System mit Leckageölabführung
US9358879B1 (en) * 2011-04-18 2016-06-07 Hydro-Gear Limited Partnership Hydrostatic transaxle
AT513191B1 (de) * 2012-07-30 2014-05-15 Lukas Schrottenbaum Steuergriff für einen Einachstraktor

Also Published As

Publication number Publication date
EP3711466A2 (fr) 2020-09-23
EP4234379A3 (fr) 2023-10-25
EP3711466C0 (fr) 2024-02-28
EP3711466A3 (fr) 2021-01-20
DE102019106784A1 (de) 2020-09-24
EP4234379A2 (fr) 2023-08-30

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